Engineering & science calculators
Hand Calculations is a free workspace of 669 calculators and unit converters across physics, electrical, mechanical, aerospace and general engineering. Add calculator cards to your workspace below, solve for any variable, and open the help page on any formula to read the science and history behind it.
Workspace
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Disclaimer: All calculators are provided as is for use at your own risk.
Calculator Status Legend
⚠
AI generated code not verified by human
✓
Verified correct result in at least one human test
Catalog
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